直角坐标系中,过A的直线为l.到原点距离等于m的直线l的条数是 A. 0 B. 1 C. 2 D. 以上答案都正确 答案: D 解析:: 由于直线L过定点(2,2),原点到L的最小距离为,故当时,0条。时,1条。时,2条。∴选D. Since Margot found it difficult to settle in a new place, she felt ______ that the family had to move. A. upset B. crazy C. happy D. easy